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| Variables | Odds Ratio | 95% CI | P value |
|---|---|---|---|
| APACHE II | 0.91 | (0.85, 0.97) | <0.01 |
| Physical restraint | 5.36 | (1.99, 14.46) | <0.001 |
| Pleural disorders | 5.62 | (1.61, 19.64 | <0.01 |
| Coronary artery disease | 5.31 | (1.30, 21.67) | 0.02 |
| Urinary tract infection | 3.79 | (1.07, 13.39) | 0.04 |
| Respiratory infection | 0.24 | (0.09, 0.69) | <0.01 |
APACHE II: Acute Physiological And Chronic Health Evaluation II; CI: confidence interval
